20367633512 has 16 divisors (see below), whose sum is σ = 38243801700. Its totient is φ = 10169286400.

The previous prime is 20367633511. The next prime is 20367633553. The reversal of 20367633512 is 21533676302.

It can be written as a sum of positive squares in 2 ways, for example, as 17448824836 + 2918808676 = 132094^2 + 54026^2 .

It is not an unprimeable number, because it can be changed into a prime (20367633511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1810337 + ... + 1821552.

Almost surely, 2^20367633512 is an apocalyptic number.

It is an amenable number.

20367633512 is a deficient number, since it is larger than the sum of its proper divisors (17876168188).

20367633512 is a wasteful number, since it uses less digits than its factorization.

20367633512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3632596 (or 3632592 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 38.

The spelling of 20367633512 in words is "twenty billion, three hundred sixty-seven million, six hundred thirty-three thousand, five hundred twelve".